Sierra Leone Population Pyramid 2026
Year
2026Sierra Leone in 2026
The population of Sierra Leone in 2026 is estimated at 8,996,744. A decade earlier, in 2016, the population was 7,205,329; it has grown by 24.9% since.
The median age is 21.0 years, and for every 100 people of working age (15–64) there are 62.6 children under 15 and 5.6 people aged 65 or over. The pyramid is expansive: its wide base of young cohorts reflects high fertility and a rapidly growing population.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
In 2023 women in Sierra Leone had on average 3.79 children, above the replacement level of 2.1.
Source: World Bank World Development Indicators, latest available year.
A child born there in 2023 could expect to live 61.8 years on average (63.5 years for girls, 60.1 for boys).
Source: World Bank World Development Indicators, latest available year.
49,156 immigrants live in Sierra Leone, 0.6% of the population.
| Guinea | 33,542 |
| Liberia | 8,462 |
| Nigeria | 2,024 |
| India | 892 |
| Ghana | 874 |
63,631 people born in Sierra Leone live in other countries.
| Senegal | 15,843 |
| Liberia | 13,878 |
| Guinea | 8,065 |
| Nigeria | 4,679 |
| Australia | 4,218 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Sierra Leone | 8,996,745 | 21.0 | |
| Togo | 9,930,919 | 20.2 | |
| Liberia | 5,853,949 | 20.0 | |
| Mauritania | 5,461,319 | 18.6 | |
| Gambia | 2,884,080 | 19.8 |





